音乐功能：当你按下笔里蓝色的小按钮时，从钢笔里就会飘出娓娓动听的音乐。

Music features: When you press the pen in the little blue button, it will smell from the pen where the music sounds appealing.

youdao

音乐功能：当你按下笔里蓝色的小按钮时，从钢笔里就会飘出娓娓动听的音乐。

Music features: When you press the pen in the little blue button, it will smell from the pen where the music sounds appealing.

youdao